Wall Street Faces Inflation Crucible After Record Highs: July CPI Above Forecasts Could Spark Sell-Off — BigGo Finance

Fueled by strength in artificial intelligence (AI) and semiconductor stocks, U.S. equities rallied across the board last week, with the S&P 500 and the Dow Jones Industrial Average both notching record closing highs, injecting a dose of confidence into the market. However, Wall Street’s optimism faces a crucial test this week as the upcoming U.S. July Consumer Price Index (CPI) report is viewed as the single biggest variable that will shape the Federal Reserve’s next policy steps and determine whether this liquidity-driven rally can persist.

According to data from the London Stock Exchange Group (LSEG), the S&P 500 gained 3.58% for the week, the Dow rose 2.96%, and the Nasdaq Composite surged 5.19%. Technology and semiconductor stocks led the charge. As of Tuesday, the S&P 500 had posted a powerful 5.75% cumulative gain over four consecutive trading sessions, marking its largest four-day rally since April 2025. Year-to-date, the S&P 500 has advanced more than 13%.

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Beyond the ongoing AI boom, easing geopolitical tensions also powered the rebound. Recent signs of a thaw in U.S.-Iran relations helped drive international oil prices below $80 per barrel, somewhat alleviating market concerns that energy costs would fuel inflation. Additionally, unexpectedly weak U.S. July nonfarm payrolls data released last week—showing a net loss of jobs—significantly reduced market expectations for near-term Federal Reserve rate hikes, providing further support for equities to push higher.

Matthew Miskin, co-chief investment strategist at Manulife John Hancock Investments, stated bluntly: “The market is now filled with inflation anxiety. Next week’s data will determine whether investors can truly breathe a sigh of relief.”

Inflation Data Becomes the Decisive Battleground

The most closely watched economic data point this week is undoubtedly the U.S. July Consumer Price Index, scheduled for release on Wednesday Eastern Time. According to FactSet consensus estimates, markets broadly expect the annual CPI rate to come in at 3.4%, which, if realized, would be slightly lower than June’s 3.5% reading. Excluding volatile food and energy prices, core CPI is projected to rise 2.5% year-over-year.

Market analysts suggest that if the disinflationary trend continues, it would further solidify expectations that the Fed needs no further rate hikes this year, providing a floor for stocks. Conversely, a hotter-than-expected print could reignite rate-hike fears and trigger profit-taking. Dominic Pappalardo, chief multi-asset strategist at Morningstar Wealth, noted that if the cooling inflation trend seen in recent months persists, the Fed may have no need to raise rates this year. However, if CPI surprises to the upside, investors could again fret over rate risks, potentially leading to a notable pullback in equities.

The Federal Reserve held rates steady at its meeting late last month, but three out of twelve voting officials advocated for a hike, highlighting clear internal divisions over the inflation outlook. According to LSEG data, as of last Friday, U.S. money markets were pricing in roughly a 44% probability of a Fed rate hike in September, though those odds cooled following the weak jobs report.

Beyond the CPI, Thursday’s release of the U.S. July Producer Price Index (PPI) will offer another crucial lens on inflationary pressures. Friday brings the July retail sales report and the preliminary University of Michigan consumer sentiment index for August, both of which will directly reflect the strength of U.S. consumer spending—a key gauge of overall economic resilience.

Treasury Yields and Oil Prices Remain Latent Risks

While the market’s focus is squarely on inflation data, the trajectory of U.S. Treasury yields and international oil prices remain two major risk factors that Wall Street is monitoring closely. Analysts point out that rising yields increase borrowing costs for businesses and consumers while making fixed-income assets more attractive, potentially sapping equity market momentum. The yield on the 10-year U.S. Treasury note briefly surged to its highest level since January 2025 in late July; although it has since retreated to around 4.64%, its future direction warrants close attention.

Miskin also highlighted the critical role of energy prices, stating that any renewed sharp volatility in oil prices could push inflation expectations higher again, thereby increasing the probability of Fed rate hikes. Energy prices, he emphasized, remain a significant variable the market cannot afford to ignore.

AI Earnings and Semiconductor Stocks in Focus

Although the corporate earnings season is winding down, several key technology companies are set to report results this week, and their performance will directly influence the trajectory of AI and semiconductor stocks. The market is particularly focused on earnings from semiconductor equipment giant Applied Materials, networking equipment leader Cisco, and the recently high-profile AI cloud infrastructure provider CoreWeave.

Year-to-date, the AI frenzy has been the core driver behind the semiconductor sector’s meteoric rise, with the Philadelphia Semiconductor Index (SOX) surging more than 80% at its peak this year. However, the index has pulled back more than 15% from its late-June high, underscoring intense volatility and suggesting that market concerns about stretched valuations have not fully dissipated.

Matt Orton, chief market strategist at Raymond James Investment Management, said that overall corporate earnings remain impressive, but to confirm that the semiconductor group has fully emerged from its correction, more individual stocks need to show sustained technical improvement. “We need to see technical repairs across a broader swath of SOX constituents to truly believe the worst is behind us,” he stressed.

Market participants broadly believe that with U.S. stocks repeatedly hitting new highs, the succession of inflation data, retail sales reports, and key tech earnings this week will collectively determine whether this AI-powered rally can extend further or is headed for a bout of sharp profit-taking.

Key Economic Data and Events This Week (Taipei Time)

Note: The above schedule reflects key data releases of primary market focus. Actual release times are subject to official announcements by respective national agencies.